public class Studentest {
    public static void main(String[] args) {
        //创建学生对象,调用有参的构造方法属性赋值
        Student student = new Student("张小三", 18, "男", "计算机");
        //调用父类的方法
        student.eat();
       // student.speak();
        //调用自身方法
        student.study();

        //创建老师的对象
        Teacher teacher = new Teacher("李四",30,"女","数学");
        teacher.eat();
      //  teacher.speak();
        teacher.teach();
   }
}
